Because there are also spending that it will lose to fear it will be lost. The fear here is it's not calm, perhaps it really lost it so much suffering as a means to happiness, but it is hidden in the suffering.
I also doubt that. It is lost It will not go away Fear that it causes unrest. Perhaps it was lost, really, it's very distressed. That means It was a real pleasure It has a life hidden in it.
Because there is doubt that it will lose, afraid it will disappear fear that such events to there is no peace. Maybe it"s lost really miserable. Therefore means to happiness is real, but having additional hidden in it.